Philip Morris International Inc is planning to launch its iQOS smoking device in India, four sources familiar with the matter told Reuters, as the tobacco giant seeks a foothold in a country with the world's second-biggest smoker population. India has stringent laws to deter tobacco use, which the government says kills more than 900,000 people every year. But the country still has 106 million adult smokers, second only to China according to the World Health Organization [...]